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New Formula for the Piezoresistive Accelerometer Motion Acceleration and Experimental Validation

Zine Ghemari

Electrical Engineering Department, University of M’sila, Algeria

E-mail Address: ghemari-zine@live.fr

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Fethi Chouaf

Department of Electrical Engineering, Mohamed-Cherif Messaadia University — Souk Ahras, Algeria

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, and

Salah Saad

LSELM, Badji Mokhtar University Annaba, Algeria

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https://doi.org/10.1142/S0219686717500044Cited by:11 (Source: Crossref)

Abstract

A piezoresistive accelerometer is the first element of a vibration measurement chain, and its improvement can enhance measurement quality. In this paper, we have developed a new formula that links the movement acceleration as a function of the natural frequency and the damping rate of the piezoresistive accelerometer in first time, and movement acceleration as a function of the measurement error in second time. This model allows the decrease of the acceleration measurement error and increases the accelerometer accuracy by choosing the right damping rate and frequency range. Finally, this new formula allows proposing new parameters for more accurate and reliable piezoresistive accelerometer.

Keywords:

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